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UI Modes and Modals

Summary: Modes can be a hidden state and lead to user errors. But they can also make a user interface more efficient by allowing the same action to have different results, depending on the situation.

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https://www.youtube.com/watch?v=W6jLcFoi1mA

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Raluca Budiu is Director of Research at Nielsen Norman Group, where she consults for clients from a variety of industries and presents tutorials on mobile usability, designing interfaces for multiple devices, quantitative usability methods, cognitive psychology for designers, and principles of human-computer interaction. She also serves as editor for the articles published on NNgroup.com. Raluca coauthored the NN/g reports on tablet usability, mobile usability, iPad usability, and the usability of children's websites, as well as the book Mobile Usability. She holds a Ph.D. from Carnegie Mellon University.

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